Home / 224,621.35-309,975.09-122,646.49

Finding the Fourth Proportional to 224,621.35, 309,975.09 and 122,646.49

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Solution

The fourth proportional to 224,621.35, 309,975.09 and 122,646.49 is: 169,250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,621.35 : 309,975.09 = 122,646.49 : x
  2. Step 2: Convert to fraction form
    224,621.35/309,975.09 = 122,646.49/x
  3. Step 3: Cross multiply
    224,621.35x = 309,975.09 × 122,646.49
  4. Step 4: Simplify right side
    224,621.35x = 38,017,356,775.93
  5. Step 5: Solve for x
    x = 38,017,356,775.93/224,621.35
  6. Step 6: Final answer
    x = 169,250.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.